HEMRLY12 pack Acoustic Panels Self-Adhesive, 2" X 12" X 12" Quick-Recovery Sound Proof Foam Panels, Acoustic Foam Wedges High Density, Soundproof Wall Panels for Home Studio,Carbon Black

Q: Could I use these to reduce sound coming from my room through my door? My walls are soundproof but my door isn’t

of course, they do reduce high noise and remove echo.I suggest you install them on your door,but you must Press them Firmly when you install them to the door,so the glue can be squeezed out from the foam,or they may fall off. Just Press Firmly! Do as my picture 6 above.

Q: Can I put these on windows?

I mean they will adhere to glass but you will no longer be able to see out if the window. If blocking the window is your goal than yes it will work.

Q: Will these work to attach to ceilings to sound proof the sounds from upstairs? We have a basement apartment that you can hear everything.

From what I understand and what others have said, you need to install insulation between your ceiling and the floorboard above it. Without proper insulation, the empty space between the ceiling and floorboards forms an echo chamber, as you know.

Q: Do they have to be turn opposite? i.e.. One pointed up & one pointed down?

No you can put whatever way you want, they will still work the same

4.3/5

Product ID: 521601161

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HEMRLY12 pack Acoustic Panels Self-Adhesive, 2" X 12" X 12" Quick-Recovery Sound Proof Foam Panels, Acoustic Foam Wedges High Density, Soundproof Wall Panels for Home Studio,Carbon Black